Home / 2,313.78-3,192.12-1,474.33

Finding the Fourth Proportional to 2,313.78, 3,192.12 and 1,474.33

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Solution

The fourth proportional to 2,313.78, 3,192.12 and 1,474.33 is: 2,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.78 : 3,192.12 = 1,474.33 : x
  2. Step 2: Convert to fraction form
    2,313.78/3,192.12 = 1,474.33/x
  3. Step 3: Cross multiply
    2,313.78x = 3,192.12 × 1,474.33
  4. Step 4: Simplify right side
    2,313.78x = 4,706,246.26
  5. Step 5: Solve for x
    x = 4,706,246.26/2,313.78
  6. Step 6: Final answer
    x = 2,034.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.